REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Cryptography > Video Cryptography > Copy Protection Or Prevention Copy Protection Or PreventionCopy Protection Or Prevention patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/22/07 - 20070269045 - Content delivery service providing apparatus and content delivery service terminal unit On the content delivery side, a user management control unit manages authentication information and the distribution of a delivery list at the time of delivering service, the acceptance of a content select request, and charging and settlement on a user basis. On the other hand, an encrypted content control unit ... 11/15/07 - 20070263865 - Authorization rights for substitute media content A classification method and system for possible content alteration of a media work may include criteria regarding content that is feasible for alteration. Such criteria may be maintained in records that are accessible to an interested party. Some embodiments may include a record of primary authorization rights applicable to a ... 11/15/07 - 20070263864 - System and method for dynamically allocating stream identifiers in a multi-encryption transport system The present invention is suitable for use in a multi-encrypted system that dynamically allocates stream identifiers in a second stream depending upon the identifiers in a first stream. The first stream is monitored and counters are incremented with the presence of an identifier. The count for each of the counters ... 11/15/07 - 20070263863 - Intelligent user interface A system for an intelligent user interface is provided. The system includes a handset, a user activity logger, a user activity analyzer, and a user interface composer. The user activity logger logs a user activity for the handset, a time of the user activity, and a geographic location of the ... 11/08/07 - 20070258587 - Recording device, recording medium, and content protection system A recording/playback apparatus is capable of using pre-image-converted content in a case of transferring an image-converted content to another device, then back from transfer-destination device to the recording/playback apparatus. The recording/playback apparatus includes a storage unit that stores a first encrypted content generated by encrypting the content, a second encrypted ... 11/08/07 - 20070258586 - Personal video recorder having dynamic security functions and method thereof A method of processing a transport stream having a plurality of packets to output a protected transport stream includes providing a set of secret keys having a predetermined number of secret keys; generating a key indication value; selecting a secret key from the set of secret keys according to the ... 11/01/07 - 20070253552 - System and method for self-decaying digital media files and for validated playback of same Information, such as audio visual information, is secured by self-decay of the information over time. For instance, a date stamp and decay rate embedded in an encrypted audio or visual digital media file can be applied to decrypt the file to a predetermined decayed state, such as a degraded playback ... 10/18/07 - 20070242825 - Distribution of video content using a trusted network key for sharing content A method and apparatus for distributing video content from a direct broadcast satellite system between a host receiver and a client receiver. A family pairing key is transmitted from the direct broadcast satellite system to both the host and client receivers. The family pairing key received by the host and ... 10/11/07 - 20070237329 - System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media A secure software system for a portable device or computer that provides a simple interface to the device or computer and that retrieves and dynamically decrypts keys and content from a secure media while minimizing exposure of the keys and eliminating the need for manufacturers of the device or computer ... 09/27/07 - 20070223692 - Activation confirmation feedback circuits and methods A circuit and method is provided for confirming that an activation state for a target has been changed. For example, a confirmation signal or message may be generated that a target device has transitioned from a non-operating or deactivated state to an activated state, or that a target device has ... 09/20/07 - 20070217605 - Recording medium, data recording method and apparatus, data regenerating method and apparatus, and copy control method Data is recorded in a first part PA1 in accordance with a signal format same as that of an existing CD at the lower limit (1.5 μm) of an allowable value of a track pitch and the lower limit (1.2 m/sec) of a linear velocity. As a result, the data ... 08/09/07 - 20070183595 - Wireless entertainment and security system A wireless entertainment and security system includes a security arrangement, a base station, and a wireless communication arrangement. The security arrangement includes a video activator defining a security area, and a video capturing device electrically linked to the video activator and arranged in such a manner that when the video ... 07/19/07 - 20070165852 - Watermark detection A detector (100) detects the presence of a watermark in an information signal. The information signal is correlated with an expected watermark (Wi) for each of a plurality of relative positions of the information signal with respect to the watermark to derive a set of correlation results (64). A metric, ... 07/19/07 - 20070165851 - Watermark detection An information signal includes a plurality of watermarks (Wi) which together define a payload of data, such as a rights information. A detector (100) detects the presence (60-62) of each of the plurality of watermarks in the information signal and provides an output (101-103) which can be used to determine ... 07/19/07 - 20070165850 - Embedding of signal dependent properties in a media signal The present invention relates to a method and device for simplifying distribution of a processed media signal and a method and device for distributing a media signal. A properties determining unit (12, 14) determines a set of signal dependent properties (w,a) of a media signal (x). An embedding unit (16) ... 06/21/07 - 20070140487 - Method and apparatus for secure transport and storage of surveillance video Security information such as fixed or dynamically received camera location information, laser signature information, timestamp information, and network information, may be used to secure the transport and storage of surveillance video. Where the surveillance video is to be transported on a communication network, the round trip time from a video ... 06/14/07 - 20070133795 - Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The apparatus comprises a tuner, for receiving a data stream comprising encrypted access control information and the program material encrypted according to a first encryption key, the access control information including the first encryption key; ... 06/07/07 - 20070127717 - Device and method for analyzing an information signal For analyzing an information signal having a sequence of blocks of information units, wherein a plurality of consecutive blocks of the sequence of blocks represents an information entity, using a sequence of fingerprints for the sequence of blocks, identification results are provided for consecutive fingerprints, wherein an identification result represents ... 05/31/07 - 20070121940 - Digital broadcasting conditional access terminal and method A mobile communication terminal for efficient digital broadcasting conditional access and a method of the mobile communication terminal. The mobile communication terminal includes a digital broadcasting receiver for receiving a scrambled digital broadcasting transport stream, a Subscriber Identify Module (SIM) card unit for generating a decoding key for descrambling the ... 05/31/07 - 20070121939 - Watermarks for wireless communications In a communication system comprising a plurality of transmit/receive units (TRUs), a method for embedding a watermark into data includes modifying a carrier signal containing data to embed watermark information. The modified carrier signal is transmitted. A receiver receives the modified carrier signal and extracts the watermark information from the ... 05/24/07 - 20070116277 - Method and system for encryption/decryption of scalable video bitstream for conditional access control based on multidimensional scalability in scalable video coding Disclosed is a system and method for encryption of a scalable video coding (SVC) bitstream, which is the next-generation coding technology. The encryption method encrypts Nation Adaptation Layer (NAL) data identified according to multidimensional scalability for space, time, and quality with respect to a bitstream created after an SVC encoding, ... 05/24/07 - 20070116276 - Digital broadcasting receiving system and digital broadcasting receiving device A digital broadcasting receiving system is provided. The digital broadcasting receiving system includes an information processing device for executing a loader, a main process, and a supervisory process, a digital broadcasting receiving device detachably connected to the information processing device. The information processing device includes storage means on which the ... 05/17/07 - 20070110238 - Information recording and/or reproducing apparatus Contents data that have been enciphered and transmitted are recorded as they are on a recording medium, and the contents key used to encipher these data is enciphered in a way used in this recording system and is recorded on the medium. Moreover, a step is taken to ensure that ... 05/17/07 - 20070110237 - Watermarking in an encrypted domain Methods, apparatus and systems for embedding auxiliary information in encrypted host signals are provided. The present invention enables secure application of digital watermarks at any point in the transmission and/or distribution of digital content by enabling the insertion of a plurality of digital watermarks, without the knowledge of the encryption/decryption ... 05/17/07 - 20070110236 - Encryption/recording device and method An encryption processing unit encrypts encoded data while changing an encryption key for at least one encryption block, and generates management information including key application information and application range information. A recording unit records the encrypted encoded-data and the management information on a recording medium. The encryption processing unit encrypts, ... 05/03/07 - 20070098162 - Method and apparatus for managing rights of multi-layered multimedia stream by layers A method and apparatus capable of managing the rights of multi-layered video bitstreams by layers are provided. The method includes generating a scalable bitstream from an input video, the scalable bitstream having a plurality of layers of data; generating encryption keys, each encryption key corresponding to a respective one of ... 04/26/07 - 20070092078 - Recording apparatus, reproduction apparatus, data processing apparatus, recording and reproduction apparatus and data transmission apparatus and corresponding methods An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on ... 04/26/07 - 20070092077 - Recording apparatus, reproduction apparatus, data processing apparatus, recording and reproduction apparatus and data transmission apparatus and corresponding methods An encryptor is provided for encrypting AV data sent from an interface. A controller controls recording of the encrypted AV data by controlling a recorder for recording the encrypted AV data in a magnetic disk. The recorder is controlled by the controller so as to reproduce the data recorded on ... 04/19/07 - 20070086589 - Digital broadcasting conditional access system and method Provided is a digital broadcasting conditional access system and method, including a digital broadcasting transmitter and a digital broadcasting receiver. The transmitter scrambles a broadcasting signal using a control key, generates broadcasting viewing restriction information and broadcasting viewing entitlement information, and transmits the scrambled broadcasting signal after incorporating the broadcasting ... 04/05/07 - 20070076871 - Quantum key distribution Apparatus and methods for establishing a secret key to encrypt and share data using quantum signals represented by an equiangular spherical code and using classical signals in authenticating the key. ... 03/22/07 - 20070064939 - Method for protecting broadcast frame A method and system for protecting a broadcast frame are provided. A frame broadcasted through a packet switching network is protected and a wireless LAN system is included. A current frame is authenticated based on a TESLA scheme. The authentication of the broadcast frame can be performed without a time ... 03/22/07 - 20070064938 - Method and device for bonding sheets A method and a device for bonding at least two sheets, is disclosed. The sheets may be joined by a groove and are connected to each other at least in one contact area in the sheet surface of the first sheet. The sheets may first be shaped whereby the first ... 03/22/07 - 20070064937 - Method and apparatus for encoding or decoding a bitstream The invention relates to a system for re-encoding bitstreams for content signals. A re-encoder (101) receives a bit-stream comprising e.g. an MPEG-2 encoded signal. The receiver (109) feeds the bitstream to an extraction processor (111) which extracts non-essential information from the bitstream thereby generating a reduced bitstream which is still ... 03/08/07 - 20070053513 - Intelligent electronic appliance system and method An intelligent electronic appliance preferably includes a user interface, data input and/or output port, and an intelligent processor. A preferred embodiment comprises a set top box for interacting with broadband media streams, with an adaptive user interface, content-based media processing and/or media metadata processing, and telecommunications integration. An adaptive user ... 02/15/07 - 20070036356 - Dvd copy protection A record carrier for storing at least one stream of linked content cells thereon, which linking is performed based on navigation data. The record carrier includes modified navigation data and/or a stream arrangement of at least one stream of linked content cells, so that an access of the at least ... 02/08/07 - 20070030966 - Method and apparatus for embedding data within the vertical blanking interval of video transmissions The present invention teaches methods, systems and articles of manufacture for embedding information within the vertical blanking interval (VBI) of a video signal. Such embedded data may be operative for the control of a set-top-box receiver, VCR, DVD player/recorder, computer or television, or may contain software which may be installed ... 02/08/07 - 20070030965 - Methods and apparatuses for management of entitlement to digital security operations Methods and apparatuses for management of entitlement to security operations. In one aspect of an embodiment, a method to secure digital content against unauthorized access, includes: receiving a request in a security application to invoke an operation on a digital artefact; and determining an entitlement to the operation in the ... 01/18/07 - 20070014404 - Method of reproducing transport stream in television receiver and television receiver using the same A transport stream reproducing method and a television receiver using the same enable reproduction of a transport stream from a previous reproduction stop point. The television receiver includes a personal video recorder for storing at least one previous reproduction section of the transport stream constructed of a plurality of transport ... 01/18/07 - 20070014403 - Controlling distribution of protected content A system for controlling distribution of protected content to portable mass storage media devices (10), the system comprising: a host application (200) for a host device (20) including: collection module (202) to collect predetermined identifiers of a portable mass storage media device (10) connected to the host device (20); a ... 01/18/07 - 20070014402 - Method to detect pal colorstripe utilizing pal switch with minimal logic A method to detect PAL colorstripe utilizing PAL-switch with minimal logic is provided. A first polarity parameter may be generated by adding an averaged U component value of a current PAL line with a first threshold value. The first polarity parameter may be utilized to detect 180-degree inversion or U ... 01/04/07 - 20070003058 - Confidential information implementation system and lsi A security information implementation system includes a storage section 120a for storing first encrypted security information EDK (MK) provided by encrypting final security information DK according to internal security information MK and second encrypted security information EMK (CK) provided by encrypting the internal security information MK according to conversion security ... 12/28/06 - 20060291653 - Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the ... 12/28/06 - 20060291652 - Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the ... 12/28/06 - 20060291651 - Method for converting non copy protected data into copy protected data generating, at said third network location (2), said copy protected data by embedding said content data into modified data structures being implied by said modified data structure data and/or by replacing said controlling data by said modified controlling data. ... 12/21/06 - 20060285688 - Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the ... 12/21/06 - 20060285687 - Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the ... 11/23/06 - 20060262927 - System and method for managing encrypted content using logical partitions The present invention provides a means for managing title keys by establishing logical partitions of title keys encrypted with the same binding information. The invention supports delayed and background processing of title keys when binding information changes. This invention supports proper accounting for devices required to recover rebinding processing when ... 11/09/06 - 20060251251 - Embedding data in an information signal enabling (S5) copying of the information signal if the securely encoded password derived from the information signal and the securely encoded reference password have a predetermined relationship, otherwise disabling copying (S7). The reference password is sent to the user via a channel which is separate from a channel used to ... 10/26/06 - 20060239456 - Copy protection method, cablecard module, and video system of digital cable broadcasting channel according to predetermined digital cable broadcasting standard A copy protection method of a digital cable broadcasting channel according to a predetermined digital cable broadcasting standard is provided which comprises changing a channel to a first digital cable broadcasting channel and exchanging a copy protection value of the digital cable broadcasting standard between a CableCARD module and a ... 10/26/06 - 20060239455 - Data transmission system, data transmission method, and device An apparatus 1 on the sending side sends a first signal S1 containing encrypted data that was encrypted using conversion constants Y, Zy′, and a conversion constant X to an apparatus 1 on the receiving side; the apparatus 1 on the sending side sends a second signal S2 containing encrypted ... 10/19/06 - 20060233366 - Encryption system, encryption device and decryption device An encryption system for surely protecting digital video data or digital audio data from illegal copying. This system has an encryption device and a decryption device. The encryption device includes: an A/D converter; a code setting unit for separately generating a frame check code on first data of each of ... 10/05/06 - 20060222178 - System and method for communicating encrypted data An encrypted data communication system for communicating an encrypted stream as an encrypted data stream from a device at transmitting end to a device at receiving end to suppress the effect of an erroneous detection of a dummy code is disclosed. A device at transmitting end generates a data stream ... 09/07/06 - 20060198518 - Information processing device and information processing method The present invention is relative with an information processing method for carrying out processing unit data in which one contents are handled as a data unit. When contents data are to be reproduced/output in succession, the tamper check processing for the next contents data, reproduced next to current contents data, ... 08/24/06 - 20060188097 - Medium storing program selecting electronic ticket, electronic ticket processing apparatus and electronic ticket selection method One or more computer-readable media on which is stored a program for selecting an optimum electronic ticket among a plurality of electronic tickets for imparting rights of use of content, the stored program causing a computer to execute functions comprising: extracting a plurality of electronic tickets corresponding to a content; ... 08/17/06 - 20060182278 - Video stream display and protection method and device The present invention relates to a process for the distribution of video streams to a plurality of addressees, comprising a marking stage consisting in adding at least one visual element to this video stream, which marking stage is applied to an original video stream common to all the addressees and ... 08/03/06 - 20060171535 - Content distribution system and method In a content distribution method, two or more certification marks (130) are produced for the content to be delivered, each of the certification marks containing a temporary access information item defining an accessing right to the content. Each of the certification marks is distributed to a user at a shop. ... 07/20/06 - 20060159261 - Mpeg-4 encoding/decoding method, medium, and system An MPEG (Moving Picture Experts Group)-4 encoding/decoding method, medium, and system. The decoding method may include detecting information for identifying an array structure of binary data describing a scene, and decoding the binary data based on the detected information. Since, a conventional process of converting data into a binary file ... 07/13/06 - 20060153378 - Read/write media key block A recorder system contains a media key block (MKB) and selectively writes protected content into a recording medium according to the following content protection logic, to combat theft of the protected content: If the medium does not have a MKB, then the recorder writes its stored MKB into the medium ... 06/29/06 - 20060140405 - Protecting content objects with rights management information A method for protecting a content object with rights management information begins by creating a content object. Permissions are assigned to the content object, an encryption key is generated, and a content protection utility is cloned. The cloned content protection utility, the encryption key, and the permissions are appended to ... 06/29/06 - 20060140404 - System for managing encrypted code, data processor and electronic apparatus After receiving and storing the ID code A of an AV data transmitter (3), a remote controller (5) for managing ID receives the ID code A or B of any one of AV data receiver 4a or 4b. When the ID code A of the AV data receiver 4a is ... 06/22/06 - 20060133609 - Authentication tag for s/w media An authentication apparatus includes a reading or recording medium equipped with an authentication tag, and a reading and recording drive that includes a transmitter and a coupler chip, wherein the authentication tag and the transmitter are capable of communicating with each other when the reading medium or the recording medium ... 06/15/06 - 20060126837 - Digital recording device for detecting copy protection signal and method thereof A digital recording device and method are disclosed for determining whether to permit signal copying by using a normally received copy generation management system (CGMS) signal. The digital recording device includes a signal input unit to receive an analog signal, a CGMS signal detector to detect a CGMS signal from ... 06/08/06 - 20060120523 - Digital broadcast recording apparatus The present invention provides a digital broadcast recording apparatus which prevents an unnecessary recording in a situation where it is not possible to descramble a program or it is prohibited to record a scrambled program. The digital broadcast recording apparatus includes a descrambler that detects a channel where a descrambling-not-possible ... 06/08/06 - 20060120522 - Processing content for electronic distribution using a digital rights management system In general, in one aspect, the disclosure describes a method of processing content for distribution over a computer network. The method includes receiving submitted electronic content, accessing identification of at least one of a set of more than one electronic book digital rights management (DRM) systems, and automatically generating an ... 05/04/06 - 20060093140 - Content management for high definition television A high definition television video content management and/or copy protection method and apparatus are achieved by modifying portions of one or more channels of an HDTV (high definition television) signal. These modifications are generally in the blanking intervals but can extend into the overscanned portions. In one version, the signal ... 05/04/06 - 20060093139 - Defeat method and apparatus for content management for high definition television A high definition television video content management and/or copy protection method and apparatus are achieved by modifying portions of one or more channels of an HDTV (high definition television) signal. These modifications are generally in the blanking intervals but can extend into the overscanned portions. In one version, the signal ... 04/27/06 - 20060088161 - Video signal delivery system and video signal delivery method A video delivery system and method which can reduce the amount of data stream to be transmitted without damaging a reproduced image when a screen is partially concealed in paid digital broadcasting. A video signal transmitter comprises a shield processing part for concealing an input video signal such that a ... 04/20/06 - 20060083373 - System and method for allowing copying or distribution of a copy protected signal A copy protection system and method for allowing copying or distribution of a copy protected signal is disclosed. One embodiment includes an apparatus and method for receiving a media signal in which a copy protection signal is embedded, receiving a control signal, generating a modified media signal by modifying or ... 04/13/06 - 20060078112 - Method and system for managing rights in digital information over a network A method and system for distributing digital information is disclosed. Preferably, a user acquires a tangible object which contain a code authorizing access to the digital information. The user reads the tangible object through a reader, which sends the code to a server on which the digital information is stored. ... 04/13/06 - 20060078111 - Method and apparatus for dvd copy protection with selective data pattern insertion Method and apparatus for inhibiting unauthorized copying of data content of DVDs or CDs or other types of optical discs. DSV (digital sum value) data patterns are inserted into selected sectors of the data to be recorded on the optical disc. These selected data sectors are also those to which ... 04/06/06 - 20060072751 - Information processing apparatus, information processing method, and program An information processing apparatus for outputting a predetermined video signal from a component output terminal includes signal detection means for detecting a copy protection signal embedded in the video signal to protect copyright, setting detection means for detecting a currently set output format of the video signal output from the ... 04/06/06 - 20060072750 - Adaptive watermarking A method and apparatus (200) for embedding a watermark in an information signal bit-stream are described. The method comprises receiving a portion of an information signal bit-stream (MPEG2). A first copy of the received portion is stored in a first buffer (220). A second copy of the received portion is ... 03/30/06 - 20060067529 - Content management method and recording medium Content data is moved from a first recording medium to a second recording medium, the first recording medium recording an encrypted content (key is first key), a first encrypted key (key is a fourth key which is generated from a second key and a third key), and a second encrypted ... 03/30/06 - 20060067528 - Communication device and communication method A communication device comprises a decoding unit which encodes a content signal C by an encoding key Kc and outputs an encoded content signal Kc•C, a key encoding unit which encodes the encoding key Kc by use of a static device key k and a dynamic device key K1 stored ... 02/16/06 - 20060034458 - Method of controlling transmission and reception of data including encrypted data stream A method of transmitting and receiving encryption channels which are needed to be encrypted includes encrypting only a part of channel data to be encrypted and transmitting the encrypted part in a predetermined streaming method, and inserting a key to decode the encrypted stream into an adjacent non-encrypted stream and ... 02/09/06 - 20060029228 - Method to secure the transfer of a data stream, corresponding computer program product, storage means and nodes In a method for securing the transfer of a data stream from a sender device to at least one receiver device, through a network comprising a plurality of nodes connected to one another by a plurality of links, the sender device is connected to an input node in the network ... 01/26/06 - 20060018469 - Secure exportation from a global copy protection system to a local copy protection system The invention relates to a device for preventing illegal exportation of a content protected by a global copy protection system to a local copy protection system. According to the invention, each content liable to be exported contains a unique identifier and the device comprises a table for storing unique identifiers ... 01/19/06 - 20060013391 - Method and system for implementing fo function in kasumi algorithm for accelerating cryptography in gsm/gprs/edge compliant handsets In a wireless communication system, a method and system for implementing an FO function in a KASUMI algorithm for accelerating cryptography in GSM/GPRS/EDGE compliant handsets are provided. An efficient implementation of the FO function may comprise circuitry provided for a pipeline state machine, an FI function, a controller, a pipe ... 12/15/05 - 20050276415 - Method and apparatus for transition of encryption key during an ongoing media communication session The disclosed embodiments provide for methods and apparatus for encrypting media using a current media encryption key (MEK), requesting a new MEK, and receiving the new MEK. The method further provides for transitioning from the current MEK to the new MEK and continuing to encrypt the media using the new ... 12/08/05 - 20050271206 - Information-processing system and method, information-transmission-processing apparatus, and information-reception-processing apparatus A processing apparatus for transmitting electronic information on copyrighted work, which has a predetermined amount of data, with an electronic signature being added thereto, includes division-processing device which divides the electronic information on copyrighted work into at least two parts, electronic-signature-operating device which operates to add the electronic signature for ... 12/08/05 - 20050271205 - Mpeg-21 digital content protection system The invention is related to Digital Rights Management (DRM) or Intellectual Property Management and Protection (IPMP) for a generic digital content. The concept of IPMP Control Graph and REL-IPMP Control Graph is introduced to carry protection signalling and rights expression data. Both content packaging and terminal processing relating to the ... 12/01/05 - 20050265549 - Recording medium and apparatus for protecting copyrighted digital data Copying, dubbing or reproducing copyrighted digital data can be inhibited or restricted to properly protect a copyright. AV data recorded on a pre-recorded tape is output from a reproducing unit of a first digital VCR with protective information indicating whether the copy of the AV data is inhibited or not. ... 12/01/05 - 20050265548 - Apparatus, method and computer product for preventing copy of data A copy prevention apparatus is provided by an operating system. A data area is shared by a plurality of applications that operate on the operating system. A data area monitoring unit monitors storing of copy prevention data into the data area and a data area copy preventing unit prevents copying ... 11/24/05 - 20050259820 - Temporally distributed watermarking for image sequences A method for temporally distributing a watermark signal into a sequence comprising a plurality of original image frames is disclosed. The watermark signal represents an N-bit codeword, where N is greater than or equal to two. For each original image frame in the sequence, a subset of bits is selected ... 11/17/05 - 20050254648 - Conditional access data decrypting system This system includes a diffusion centre (10) arranged to diffuse data encrypted by control-words (cw), at least one management centre (11) arranged to diffuse personal messages (ECM, EMM) related to the management of access means to encrypted data, an operating device (12) intended to render usable said encrypted data, and ... 11/03/05 - 20050244003 - Modulator, modulation method, and method of manufacturing an optical recordable medium with enhanced security for confidential information A modulator includes a replacement processing unit which replaces a part of main information code-converted in a main information converter with specific information code-converted in a specific information converter and a direct-current component suppress processing unit which performs direct-current component suppress processing for the main information which has undergone the ... 11/03/05 - 20050244002 - Device for preventing unauthorized use of literary work recording medium An apparatus for preventing an unauthorized use of a copyright medium adapted to identify a purchaser by authentication of the purchaser's fingerprint at the time of purchasing an encrypted copyright medium, so that only the purchaser can reproduce or copy work data recorded in the copyright medium. Data is read ... 11/03/05 - 20050244001 - Information recording medium drive device The present invention provides a configuration capable of effectively preventing an encrypted content stored on an information-recording medium from being misused. In this configuration, a seed (seed 2) required for generating a block key to be applied to a process to decode an encrypted content is stored as information encrypted ... 10/13/05 - 20050226412 - Copy protection of optical discs The present invention relates to a method of copy protecting optical discs, such as CD-ROMs. Instead of encoding data onto the CD-ROMs in a manner which ensures balanced dc content, for copy protection the digital data is encoded and recorded onto the optical disc such that it is arranged to ... 10/06/05 - 20050220303 - Recording data recording method, recording data reproduction method, recording device, reproduction device, and multi-layered optical recording medium The recording data-recording method according to the present invention records recording data encrypted based on a predetermined encryption code on a multilayer optical recording medium comprising two recording layers of a L1 recording layer and a L0 recording layer deposited on at least one side of a substrate. In doing ... 09/22/05 - 20050207575 - Apparatus and system for recording and reproducing contents A system for reproducing contents in a different device conveniently in use while protecting a copyright of digital contents includes a contents recording and transmission device, a reception and reproduction device, and an external storage medium having an ID. The external storage medium is connected to the reception and reproduction ... 09/01/05 - 20050190915 - System and method for using a streaming protocol An initialization vector (IV) is employed to decrypt a block of a stream that has been encrypted with Cypher Block Chaining (CBC) encryption, without requiring decryption of previous blocks within the stream. For example, a listener who accesses a distribution point to retrieve encrypted content authenticates himself to an application ... 09/01/05 - 20050190914 - Counterfeit and tamper resistant labels with randomly occurring features Techniques are disclosed to enable utilization of randomly-occurring features of a label (whether embedded or naturally inherent) to provide counterfeit-resistant and/or tamper-resistant labels. More specifically, labels including randomly-occurring features are scanned to determine the labels' features. The information from the scan is utilized to provide identifying indicia which uniquely identifies ... 08/18/05 - 20050180567 - System and method for controlling display of copy-never content A method and system for controlling the use of unauthorized content, and specifically for controlling the display of content that is marked as “copy-never.” A compliant signal source transmits a video signal along with a secure timestamp to a compliant display device. The compliant display device determines whether the video ... 08/11/05 - 20050175178 - Transcoding cablecard A CableCARD device for manipulation of a stream of data has an inband data input for receiving a stream of video data from a host, the stream of video data being encrypted and encoded according to a first coding. A decrypter decrypts the encrypted data. A transcoder transcodes the stream ... 08/11/05 - 20050175177 - Watermark detection Disclosed is a solution for connecting an existing MPEG2-compliant watermark detector (20), that accepts MPEG2 video data up to a certain data rate, to a PC-DVD drive. Problem is that the data rate of the standard IDE/ATAPI bus (3) is much higher than the watermark detector can handle. The solution ... 08/04/05 - 20050169467 - Method and system for preventing unauthorized recording of media content in an itunes tm environment A method and system for preventing unauthorized recording of media content in an iTunes™ environment. Embodiment of the method begins by activating a compliance mechanism in response to receiving media content at a client system. The media content is received from a content provider providing content in a format compatible ... 06/30/05 - 20050141709 - Digital audio and video playback with performance complement testing System and method for monitoring and modifying a playlist of viewable audio and/or video selections at one or more selected times to account for the effects of restrictions on the times, and number of times, a selection is viewed in an internet-based viewing system. The system implements, and monitors compliance ... 06/30/05 - 20050141708 - Method for copy protection of digital content The invention relates to a method for copy protection of digital content, whereby at least a part of the digital content is an active part enabling the execution of the digital content, comprising the steps of storing digital content in a storage, choosing reference storage blocks from the storage, creating ... 06/30/05 - 20050141707 - Efficient storage of fingerprints A robust fingerprinting system is disclosed. Such a system can recognize unknown multimedia content (U(t)) by extracting a fingerprint (a series of hash words) from said content, and searching a resembling fingerprint in a database in which fingerprints of a plurality of known contents (K(t)) are stored. In order to ... 06/23/05 - 20050135615 - Z-transform implementation of digital watermarks Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components of a digital sample stream signal may be analyzed for the purposes of encoding carrier signal independent data to the digital sample stream. The carrier ... 06/23/05 - 20050135614 - Method and apparatus for enhanced audio/video services with two watermarks Method and apparatus for controlling copying (recording) of an audio or video signal transmitted over a cable television or direct satellite broadcast system or the internet. Copyrighted (or other) audio or video material is protected from unwanted copying (recording) by the combination of a watermark embedded in the audio or ... 06/02/05 - 20050117749 - Method and apparatus to synthesize and defeat video copy protection signals A method and apparatus for defeating copy protection signals in a video signal, and also for providing copy protection signals for a video signal, is disclosed. The defeat technique generally utilizes a particular pulse position shifting, modulation, etc., of AGC, normal sync and/or pseudo sync pulses to increase the separation ... ### FreshPatents.com Support |